Heat olive oil in a large pot over medium-high heat. Add garlic,onion, carrots, celery, potatoes, chili powder, paprika, salt, andpepper. Cook, stirring occasionally, until potatoes are goldenbrown, about 10 minutes.Toss yellow squash, spinach leaves, corn, pinto beans, andspaghetti squash into the pot. Continue to stir until spinach leaveshave wilted, 1 to 2 minutes.Pour vegetable broth, water, and green chiles into the mixture. Ifnecessary, add more water to make sure vegetables are covered.Bring stew to a boil, then reduce heat to medium low, cover, andsimmer until the vegetables are tender, about 45 minutes.